Cost of Units Completed and in Process The charges to Work inProcess—Assembly Department for a period, together with informationconcerning production, are as follows. All direct materials areplaced in process at the beginning of production. Work inProcess—Assembly Department Bal., 5,000 units, 40% completed 13,900To Finished Goods, 115,000 units ? Direct materials, 118,000 units@ $1.9 224,200 Direct labor 204,900 Factory overhead 79,740 Bal. ?units, 70% completed ? a. Based on the above data, determine thedifferent costs listed below. If required, round your interimcalculations to two decimal places. 1. Cost of beginning work inprocess inventory completed this period. $ 8,340 2. Cost of unitstransferred to finished goods during the period. $ 3. Cost ofending work in process inventory. $ 4. Cost per unit of thecompleted beginning work in process inventory, rounded to thenearest cent. $ b. Did the production costs change from thepreceding period? c. Assuming that the direct materials cost perunit did not change from the preceding period, did the conversioncosts per equivalent unit increase, decrease, or remain the samefor the current period?